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  2. UAN - Wikipedia

    en.wikipedia.org/wiki/UAN

    The combination of urea and ammonium nitrate has an extremely low critical relative humidity (18% at 30 °C) and can therefore only be used in liquid fertilizers. The most commonly used grade of these fertilizer solutions is UAN 32.0.0 (32%N) known as UN32 or UN-32, which consists of 45% ammonium nitrate , 35% urea and only 20% water.

  3. CF Industries - Wikipedia

    en.wikipedia.org/wiki/CF_Industries

    CF Industries Holdings, Inc. is an American manufacturer and distributor of agricultural fertilizers, including ammonia, urea, and ammonium nitrate products. The company is based in Northbrook, Illinois, a suburb of Chicago, [3] and was founded in 1946 as the Central Farmers Fertilizer Company.

  4. Controlled-release fertiliser - Wikipedia

    en.wikipedia.org/wiki/Controlled-release_fertiliser

    Controlled release fertilizers are traditional fertilizers encapsulated in a shell that degrades at a specified rate. Sulfur is a typical encapsulation material. Other coated products use thermoplastics (and sometimes ethylene-vinyl acetate and surfactants, etc.) to produce diffusion-controlled release of urea or other fertilizers. "Reactive ...

  5. Gujarat Narmada Valley Fertilisers & Chemicals - Wikipedia

    en.wikipedia.org/wiki/Gujarat_Narmada_Valley...

    Located in the industrial belt of Bharuch, GNFC is a major producer of urea and nitrophosphate fertilizers, neem-based products, and industrial chemicals such as methanol, formic acid, nitric acid and acetic acid. [3] As of fiscal year 2021–22, fertilizers generated 29% of the company's revenue, while chemicals segment contributed 70%. [4]

  6. Fertilizer - Wikipedia

    en.wikipedia.org/wiki/Fertilizer

    A fertilizer (American English) or fertiliser (British English) is any material of natural or synthetic origin that is applied to soil or to plant tissues to supply plant nutrients. Fertilizers may be distinct from liming materials or other non-nutrient soil amendments. Many sources of fertilizer exist, both natural and industrially produced. [1]

  7. Coated urea - Wikipedia

    en.wikipedia.org/wiki/Coated_urea

    Coated urea fertilizers are a group of controlled release fertilizers consisting of prills of urea coated in less-soluble chemicals such as sulfur, polymers, other products or a combination. These fertilizers mitigate some of the negative aspects of urea fertilization, such as fertilizer burn .

  8. Dangote Refinery - Wikipedia

    en.wikipedia.org/wiki/Dangote_Refinery

    An associated project at the site of the refinery, a urea fertilizer factory, was scheduled to begin operation in late 2018 and produce about three million tons of urea annually. [7] In 2018 the project was expected to cost up to $15 billion in total, with $10 billion invested in the refinery, $2.5 billion in the fertilizer factory, and $2.5 ...

  9. Urea - Wikipedia

    en.wikipedia.org/wiki/Urea

    The structure of the molecule of urea is O=C(−NH 2) 2.The urea molecule is planar when in a solid crystal because of sp 2 hybridization of the N orbitals. [8] [9] It is non-planar with C 2 symmetry when in the gas phase [10] or in aqueous solution, [9] with C–N–H and H–N–H bond angles that are intermediate between the trigonal planar angle of 120° and the tetrahedral angle of 109.5°.

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